% Mizar problem: t27_ff_siec,ff_siec,1243,5 
fof(t27_ff_siec, conjecture,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  =>  (k3_relat_1(k16_ff_siec(A), k4_xboole_0(k16_ff_siec(A), k4_relat_1(k2_net_1(A))))=k1_xboole_0 & k3_relat_1(k15_ff_siec(A), k4_xboole_0(k15_ff_siec(A), k4_relat_1(k2_net_1(A))))=k1_xboole_0) ) ) ).
fof(antisymmetry_r2_hidden, axiom,  (! [A, B] :  (r2_hidden(A, B) =>  ~ (r2_hidden(B, A)) ) ) ).
fof(asymmetry_r2_tarski, axiom,  (! [A, B] :  (r2_tarski(A, B) =>  ~ (r2_tarski(B, A)) ) ) ).
fof(cc1_partit_2, axiom,  (! [A] :  ( (v1_xboole_0(A) & v1_relat_1(A))  =>  (v1_relat_1(A) &  (v2_relat_2(A) &  (v5_relat_2(A) & v8_relat_2(A)) ) ) ) ) ).
fof(cc1_relat_1, axiom,  (! [A] :  (v1_xboole_0(A) => v1_relat_1(A)) ) ).
fof(cc2_relat_1, axiom,  (! [A] :  (v1_relat_1(A) =>  (! [B] :  (m1_subset_1(B, k1_zfmisc_1(A)) => v1_relat_1(B)) ) ) ) ).
fof(cc3_relat_1, axiom,  (! [A] :  ( (v1_xboole_0(A) & v1_relat_1(A))  =>  (v1_relat_1(A) & v3_relat_1(A)) ) ) ).
fof(cc4_relat_1, axiom,  (! [A] :  ( (v1_xboole_0(A) & v1_relat_1(A))  =>  (v1_relat_1(A) & v2_relat_1(A)) ) ) ).
fof(cc5_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(B) & v4_relat_1(B, A))  =>  (! [C] :  (m1_subset_1(C, k1_zfmisc_1(B)) => v4_relat_1(C, A)) ) ) ) ).
fof(cc6_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(B) & v5_relat_1(B, A))  =>  (! [C] :  (m1_subset_1(C, k1_zfmisc_1(B)) => v5_relat_1(C, A)) ) ) ) ).
fof(cc7_relat_1, axiom,  (! [A] :  (v1_xboole_0(A) =>  (! [B] :  ( (v1_relat_1(B) & v4_relat_1(B, A))  =>  (v1_xboole_0(B) &  (v1_relat_1(B) & v4_relat_1(B, A)) ) ) ) ) ) ).
fof(cc8_relat_1, axiom,  (! [A] :  (v1_xboole_0(A) =>  (! [B] :  ( (v1_relat_1(B) & v5_relat_1(B, A))  =>  (v1_xboole_0(B) &  (v1_relat_1(B) & v5_relat_1(B, A)) ) ) ) ) ) ).
fof(commutativity_k2_xboole_0, axiom,  (! [A, B] : k2_xboole_0(A, B)=k2_xboole_0(B, A)) ).
fof(d15_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  => k15_ff_siec(A)=k2_xboole_0(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))) ) ).
fof(d16_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  => k16_ff_siec(A)=k2_xboole_0(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))) ) ).
fof(d1_net_1, axiom,  (! [A] :  (l1_petri(A) => k1_net_1(A)=k2_xboole_0(u1_petri(A), u2_petri(A))) ) ).
fof(d3_net_1, axiom,  (! [A] :  (l1_petri(A) => k2_net_1(A)=k2_xboole_0(u1_struct_0(A), u4_struct_0(A))) ) ).
fof(dt_k15_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  => v1_relat_1(k15_ff_siec(A))) ) ).
fof(dt_k16_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  => v1_relat_1(k16_ff_siec(A))) ) ).
fof(dt_k1_net_1, axiom, $true).
fof(dt_k1_xboole_0, axiom, $true).
fof(dt_k1_zfmisc_1, axiom, $true).
fof(dt_k2_net_1, axiom, $true).
fof(dt_k2_relat_1, axiom,  (! [A] :  (v1_relat_1(A) => v1_relat_1(k2_relat_1(A))) ) ).
fof(dt_k2_xboole_0, axiom, $true).
fof(dt_k2_zfmisc_1, axiom, $true).
fof(dt_k3_relat_1, axiom,  (! [A, B] : v1_relat_1(k3_relat_1(A, B))) ).
fof(dt_k4_relat_1, axiom,  (! [A] : v1_relat_1(k4_relat_1(A))) ).
fof(dt_k4_xboole_0, axiom, $true).
fof(dt_k5_relat_1, axiom,  (! [A, B] :  (v1_relat_1(A) => v1_relat_1(k5_relat_1(A, B))) ) ).
fof(dt_l1_petri, axiom,  (! [A] :  (l1_petri(A) => l5_struct_0(A)) ) ).
fof(dt_l1_struct_0, axiom, $true).
fof(dt_l5_struct_0, axiom,  (! [A] :  (l5_struct_0(A) => l1_struct_0(A)) ) ).
fof(dt_m1_subset_1, axiom, $true).
fof(dt_u1_petri, axiom,  (! [A] :  (l1_petri(A) => m1_subset_1(u1_petri(A), k1_zfmisc_1(k2_zfmisc_1(u1_struct_0(A), u4_struct_0(A))))) ) ).
fof(dt_u1_struct_0, axiom, $true).
fof(dt_u2_petri, axiom,  (! [A] :  (l1_petri(A) => m1_subset_1(u2_petri(A), k1_zfmisc_1(k2_zfmisc_1(u4_struct_0(A), u1_struct_0(A))))) ) ).
fof(dt_u4_struct_0, axiom, $true).
fof(existence_l1_petri, axiom,  (? [A] : l1_petri(A)) ).
fof(existence_l1_struct_0, axiom,  (? [A] : l1_struct_0(A)) ).
fof(existence_l5_struct_0, axiom,  (? [A] : l5_struct_0(A)) ).
fof(existence_m1_subset_1, axiom,  (! [A] :  (? [B] : m1_subset_1(B, A)) ) ).
fof(fc12_relat_1, axiom,  (! [A, B] :  ( (v1_xboole_0(A) & v1_relat_1(B))  =>  (v1_xboole_0(k3_relat_1(A, B)) & v1_relat_1(k3_relat_1(A, B))) ) ) ).
fof(fc13_relat_1, axiom,  (! [A, B] :  ( (v1_xboole_0(A) & v1_relat_1(B))  =>  (v1_xboole_0(k3_relat_1(B, A)) & v1_relat_1(k3_relat_1(B, A))) ) ) ).
fof(fc14_relat_1, axiom,  (! [A] :  (v1_xboole_0(A) =>  (v1_xboole_0(k2_relat_1(A)) & v1_relat_1(k2_relat_1(A))) ) ) ).
fof(fc15_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(A) &  (v1_relat_1(B) & v2_relat_1(B)) )  =>  (v1_relat_1(k3_relat_1(A, B)) & v2_relat_1(k3_relat_1(A, B))) ) ) ).
fof(fc16_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(A) & v1_xboole_0(B))  =>  (v1_xboole_0(k5_relat_1(A, B)) & v1_relat_1(k5_relat_1(A, B))) ) ) ).
fof(fc17_relat_1, axiom,  (! [A, B] :  ( (v1_xboole_0(A) & v1_relat_1(A))  =>  (v1_xboole_0(k5_relat_1(A, B)) & v1_relat_1(k5_relat_1(A, B))) ) ) ).
fof(fc1_net_1, axiom,  (! [A] :  (l1_petri(A) => v1_relat_1(k1_net_1(A))) ) ).
fof(fc23_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(A) & v3_relat_1(A))  =>  (v1_relat_1(k5_relat_1(A, B)) & v3_relat_1(k5_relat_1(A, B))) ) ) ).
fof(fc26_relat_1, axiom,  (! [A, B, C] :  ( (v1_relat_1(C) & v5_relat_1(C, B))  =>  (v1_relat_1(k5_relat_1(C, A)) & v5_relat_1(k5_relat_1(C, A), B)) ) ) ).
fof(fc27_relat_1, axiom,  (! [A, B, C] :  ( (v1_relat_1(C) & v4_relat_1(C, B))  =>  (v1_relat_1(k5_relat_1(C, A)) &  (v4_relat_1(k5_relat_1(C, A), A) & v4_relat_1(k5_relat_1(C, A), B)) ) ) ) ).
fof(fc28_relat_1, axiom,  (! [A] :  (v1_relat_1(k4_relat_1(A)) &  (v4_relat_1(k4_relat_1(A), A) & v5_relat_1(k4_relat_1(A), A)) ) ) ).
fof(fc29_relat_1, axiom,  (! [A, B, C] :  ( ( (v1_relat_1(B) & v5_relat_1(B, A))  & v1_relat_1(C))  =>  (v1_relat_1(k3_relat_1(C, B)) & v5_relat_1(k3_relat_1(C, B), A)) ) ) ).
fof(fc2_relat_1, axiom,  (! [A, B] :  (v1_relat_1(A) => v1_relat_1(k4_xboole_0(A, B))) ) ).
fof(fc30_relat_1, axiom,  (! [A, B, C] :  ( ( (v1_relat_1(B) & v4_relat_1(B, A))  & v1_relat_1(C))  =>  (v1_relat_1(k3_relat_1(B, C)) & v4_relat_1(k3_relat_1(B, C), A)) ) ) ).
fof(fc33_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(A) & v2_relat_1(A))  =>  (v1_relat_1(k5_relat_1(A, B)) & v2_relat_1(k5_relat_1(A, B))) ) ) ).
fof(fc3_partit_2, axiom,  (! [A] :  (v1_relat_1(k4_relat_1(A)) & v1_partit_2(k4_relat_1(A))) ) ).
fof(fc3_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(A) & v1_relat_1(B))  => v1_relat_1(k2_xboole_0(A, B))) ) ).
fof(fc6_relat_1, axiom,  (! [A, B] : v1_relat_1(k2_zfmisc_1(A, B))) ).
fof(idempotence_k2_xboole_0, axiom,  (! [A, B] : k2_xboole_0(A, A)=A) ).
fof(involutiveness_k2_relat_1, axiom,  (! [A] :  (v1_relat_1(A) => k2_relat_1(k2_relat_1(A))=A) ) ).
fof(rc1_relat_1, axiom,  (? [A] :  ( ~ (v1_xboole_0(A))  & v1_relat_1(A)) ) ).
fof(rc2_relat_1, axiom,  (? [A] :  (v1_relat_1(A) & v2_relat_1(A)) ) ).
fof(rc3_relat_1, axiom,  (! [A, B] :  (? [C] :  (v1_relat_1(C) &  (v4_relat_1(C, A) & v5_relat_1(C, B)) ) ) ) ).
fof(rd3_relat_1, axiom,  (! [A] : k2_relat_1(k4_relat_1(A))=k4_relat_1(A)) ).
fof(rd5_relat_1, axiom,  (! [A, B] :  (v1_relat_1(A) => k5_relat_1(k5_relat_1(A, B), B)=k5_relat_1(A, B)) ) ).
fof(rd8_relat_1, axiom,  (! [A, B] :  ( (v1_relat_1(B) & v4_relat_1(B, A))  => k5_relat_1(B, A)=B) ) ).
fof(redefinition_r2_tarski, axiom,  (! [A, B] :  (r2_tarski(A, B) <=> r2_hidden(A, B)) ) ).
fof(reflexivity_r1_tarski, axiom,  (! [A, B] : r1_tarski(A, A)) ).
fof(t11_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  =>  (k3_relat_1(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k5_relat_1(k1_net_1(A), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k5_relat_1(k1_net_1(A), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k5_relat_1(k1_net_1(A), u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)))=k1_xboole_0 & k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k5_relat_1(k1_net_1(A), u1_struct_0(A)))=k1_xboole_0) ) ) ) ) ) ) ) ) ).
fof(t12_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  =>  (k3_relat_1(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k4_relat_1(u1_struct_0(A)))=k5_relat_1(k1_net_1(A), u4_struct_0(A)) &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k4_relat_1(u1_struct_0(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)) &  (k3_relat_1(k4_relat_1(u4_struct_0(A)), k5_relat_1(k1_net_1(A), u4_struct_0(A)))=k5_relat_1(k1_net_1(A), u4_struct_0(A)) &  (k3_relat_1(k4_relat_1(u4_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)) &  (k3_relat_1(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k5_relat_1(k1_net_1(A), u1_struct_0(A)) &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)) &  (k3_relat_1(k4_relat_1(u1_struct_0(A)), k5_relat_1(k1_net_1(A), u1_struct_0(A)))=k5_relat_1(k1_net_1(A), u1_struct_0(A)) &  (k3_relat_1(k4_relat_1(u1_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)) &  (k3_relat_1(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k5_relat_1(k1_net_1(A), u1_struct_0(A)) &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)) &  (k3_relat_1(k4_relat_1(u4_struct_0(A)), k5_relat_1(k1_net_1(A), u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k4_relat_1(u4_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u1_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k4_relat_1(u1_struct_0(A)), k5_relat_1(k1_net_1(A), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k4_relat_1(u1_struct_0(A)), k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)))=k1_xboole_0 &  (k3_relat_1(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k1_xboole_0 & k3_relat_1(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k4_relat_1(u4_struct_0(A)))=k1_xboole_0) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ).
fof(t14_ff_siec, axiom,  (! [A] :  ( (v1_net_1(A) & l1_petri(A))  =>  (k4_xboole_0(k2_xboole_0(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k4_relat_1(u1_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k4_relat_1(u1_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k1_net_1(A), u4_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u1_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u1_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k1_net_1(A), u1_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)), k4_relat_1(u4_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u1_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k1_net_1(A), u1_struct_0(A)), k4_relat_1(u4_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k1_net_1(A), u1_struct_0(A)) &  (k4_xboole_0(k2_xboole_0(k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)), k4_relat_1(u4_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k2_relat_1(k1_net_1(A)), u4_struct_0(A)) & k4_xboole_0(k2_xboole_0(k5_relat_1(k1_net_1(A), u4_struct_0(A)), k4_relat_1(u4_struct_0(A))), k4_relat_1(k2_net_1(A)))=k5_relat_1(k1_net_1(A), u4_struct_0(A))) ) ) ) ) ) ) ) ) ).
fof(t1_boole, axiom,  (! [A] : k2_xboole_0(A, k1_xboole_0)=A) ).
fof(t1_subset, axiom,  (! [A] :  (! [B] :  (r2_tarski(A, B) => m1_subset_1(A, B)) ) ) ).
fof(t2_subset, axiom,  (! [A] :  (! [B] :  (m1_subset_1(A, B) =>  (v1_xboole_0(B) | r2_tarski(A, B)) ) ) ) ).
fof(t3_boole, axiom,  (! [A] : k4_xboole_0(A, k1_xboole_0)=A) ).
fof(t3_subset, axiom,  (! [A] :  (! [B] :  (m1_subset_1(A, k1_zfmisc_1(B)) <=> r1_tarski(A, B)) ) ) ).
fof(t4_boole, axiom,  (! [A] : k4_xboole_0(k1_xboole_0, A)=k1_xboole_0) ).
fof(t4_subset, axiom,  (! [A] :  (! [B] :  (! [C] :  ( (r2_tarski(A, B) & m1_subset_1(B, k1_zfmisc_1(C)))  => m1_subset_1(A, C)) ) ) ) ).
fof(t5_subset, axiom,  (! [A] :  (! [B] :  (! [C] :  ~ ( (r2_tarski(A, B) &  (m1_subset_1(B, k1_zfmisc_1(C)) & v1_xboole_0(C)) ) ) ) ) ) ).
fof(t6_boole, axiom,  (! [A] :  (v1_xboole_0(A) => A=k1_xboole_0) ) ).
fof(t6_sysrel, axiom,  (! [A] :  (v1_relat_1(A) =>  (! [B] :  (v1_relat_1(B) =>  (! [C] :  (v1_relat_1(C) => k3_relat_1(k2_xboole_0(A, B), C)=k2_xboole_0(k3_relat_1(A, C), k3_relat_1(B, C))) ) ) ) ) ) ).
fof(t7_boole, axiom,  (! [A] :  (! [B] :  ~ ( (r2_tarski(A, B) & v1_xboole_0(B)) ) ) ) ).
fof(t8_boole, axiom,  (! [A] :  (! [B] :  ~ ( (v1_xboole_0(A) &  ( ~ (A=B)  & v1_xboole_0(B)) ) ) ) ) ).
